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Loops in Java

Loops are programming structures that repeat a block of code until a certain condition is met. They streamline repetitive tasks, enhancing efficiency and reducing redundancy in code.

Types of Loops :

Java offers two primary loop constructs:

1. For Loops:

In this looping system, the process starts with given value of a variable. It executes the enclosed set of statements by updating the value of the control variable unless the given condition is false. This looping construct is used only when the user is aware of the number of times.

Example of for loop:

                                                    
public class PBAINST {
    public static void main(String[] args) {
        for (int i = 1; i <= 5; i++) {
            System.out.println("i=" + i);
        }
    }
}

2. While Loops:

The while loop is unknown iterative loop. It executes a set of statements till given condition is true. In this system, the user may not be aware of the number of iterations, that will take place during execution of the loop.

Example of while loop:

                                                    
                                                    
public class PBAINST {
    public static void main(String[] args) {
        int i = 1;
        while (i<= 5) {
            System.out.println("i=" + i);
            count++;
        }
    }
}

                                                    

                                                

3. do-while loops:

It is also unfixed or unkown type of iteration constuct. The user may not be aware of the number of iterations that will take place during the course of executation of the loop. Here a set of statements are executed before cheching the condition. Till the given condition is true, the control will keep repeating the execution otherwise, it will terminate.

Example of do-while loop:

                                                    
                                                    
public class SimpleDoWhileLoopExample {
    public static void main(String[] args) {
        int i=1;
        do {
            System.out.println("Count is: " + i);
            i++;
        } while (i<= 5);
    }
}

                                                    
                                                

Benefits of Looping:

Code Efficiency: Loops allow you to repeat a block of code multiple times without the need to write it out repeatedly. This saves time and reduces code redundancy.
Improved Readability: Loops make code more readable by encapsulating repetitive tasks within a single block. This helps in understanding the logic of the program more easily.
Scalability: Loops provide a scalable solution for handling large datasets or performing repetitive tasks. They allow you to process a large amount of data efficiently without having to manually iterate through each item.
Flexibility: Java offers different types of loops such as for, while, and do-while, each suitable for different scenarios. This allows you to choose the loop that best fits the requirements of your program.

Introduction User Input If-Else Loops For loop While Loop Do While Loop String Functions Arrays 2D Arrays Function Function Overloading
Method Overriding Date Time Function Collection Switch Case Class Constructor Inheritance Interface Encapsulation

Loops in Java

Types of Loops :

Benefits of Looping:

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